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Re: Daniel Weinreb Died ((1959 ~ 2012) Lisp Programer)

From: WJ
Subject: Re: Daniel Weinreb Died ((1959 ~ 2012) Lisp Programer)
Date: 7 Nov 2012 19:50:26 GMT
User-agent: XanaNews/

Xah Lee wrote:

> Daniel Weinreb himself have criticized Common Lisp. See: Common Lisp
> Sucks.

Dan Weinreb, one of the designers of Common Lisp:

... the problem with LOOP was that it turned out to be hard to
predict what it would do, when you started using a lot of
different facets of LOOP all together. This is a serious problem
since the whole idea of LOOP was to let you use many facets
together; if you're not doing that, LOOP is overkill.

Daniel Weinreb, 24 Feb 2003:

Having separate "value cells" and "function cells" (to use
the "street language" way of saying it) was one of the most
unfortunate issues. We did not want to break pre-existing
programs that had a global variable named "foo" and a global
function named "foo" that were distinct.  We at Symbolics
were forced to insist on this, in the face of everyone's
knowing that it was not what we would have done absent
compatibility constraints. It's hard for me to remember all
the specific things like this, but if we had had fewer
compatibility issues, I think it would have come out looking
more like Scheme in general.

Daniel Weinreb, 28 Feb 2003:

Lisp2 means that all kinds of language primitives have to
exist in two versions, or be parameterizable as to whether
they are talking about the value cell or function cell. It
makes the language bigger, and that's bad in and of itself.

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